योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-77, verse-52

रेजे लसच्च रतिभोगविलासकान्तमन्तःपुरेषु मिथुनं तदनुत्तमश्रि ।
ब्रह्माण्डखण्डकुहरेष्विव राजहंसयुग्मं विकासिमदमन्मथमन्दचारि ॥ ५२ ॥

reje lasacca ratibhogavilāsakāntamantaḥpureṣu mithunaṃ tadanuttamaśri ,
brahmāṇḍakhaṇḍakuhareṣviva rājahaṃsayugmaṃ vikāsimadamanmathamandacāri 52

52. reje lasat ca rati-bhoga-vilāsa-kāntam
antaḥpureṣu mithunam tat anuttama-śri
brahmāṇḍa-khaṇḍa-kuhareṣu iva rāja-haṃsa-yugmam
vikāsi-mada-manmatha-manda-cāri

52. mithunam lasat ca rati-bhoga-vilāsa-kāntam
tat anuttama-śri antaḥpureṣu reje
iva rāja-haṃsa-yugmam vikāsi-mada-manmatha-manda-cāri
brahmāṇḍa-khaṇḍa-kuhareṣu

52. The couple, radiant and charming with their amorous enjoyment and playful dalliance, and possessing unsurpassed splendor, shone forth in the inner chambers. They resembled a pair of royal swans, moving slowly with burgeoning amorous passion, within the vast cosmic realms.

Words meanings summery:

• रेजे (reje) - shone, appeared beautiful, glittered

• लसत् (lasat) - shining, sparkling, beautiful

• च (ca) - and, also

• रति-भोग-विलास-कान्तम् (rati-bhoga-vilāsa-kāntam) - charming with amorous enjoyment and sport

• अन्तःपुरेषु (antaḥpureṣu) - in the inner chambers, in the women's quarters, in the harem

• मिथुनम् (mithunam) - a couple, pair

• तत् (tat) - that, such

• अनुत्तम-श्रि (anuttama-śri) - of unsurpassed splendor, of supreme beauty

• ब्रह्माण्ड-खण्ड-कुहरेषु (brahmāṇḍa-khaṇḍa-kuhareṣu) - in the hollows of the cosmic egg fragments, in the vast spaces of the universe

• इव (iva) - like, as, as if

• राज-हंस-युग्मम् (rāja-haṁsa-yugmam) - a pair of royal swans

• विकासि-मद-मन्मथ-मन्द-चारि (vikāsi-mada-manmatha-manda-cāri) - moving slowly with burgeoning amorous passion

Words meanings and morphology

रेजे (reje) - shone, appeared beautiful, glittered

(verb)

3rd person , singular, active, perfect (Lit) of rāj

Perfect Tense, 3rd Person Singular, Ātmanepada

Root rāj- (class 1, also ātmanepada forms). Perfect tense (Lit) form. Reduplication, vowel gradation.

Root: rāj (class 1)

लसत् (lasat) - shining, sparkling, beautiful

(adjective)

Nominative, neuter, singular of lasat

lasat - shining, glittering, playing

Present Active Participle

Derived from root √las (class 1) 'to shine, sport'. Present active participle, neuter nominative/accusative singular.

Root: las (class 1)

Note: Adjective modifying 'mithunam'.

च (ca) - and, also

(indeclinable)

रति-भोग-विलास-कान्तम् (rati-bhoga-vilāsa-kāntam) - charming with amorous enjoyment and sport

(adjective)

Nominative, neuter, singular of rati-bhoga-vilāsa-kānta

rati-bhoga-vilāsa-kānta - charming with pleasure, enjoyment, and sport

Compound adjective, modifying 'mithunam'.

Compound type : tatpuruṣa (rati+bhoga+vilāsa+kānta)

• rati – sexual pleasure, love, delight
  noun (feminine)
  Root: ram (class 1)
• bhoga – enjoyment, pleasure, experience
  noun (masculine)
  Derived from root √bhuj 'to enjoy'.
  Root: bhuj (class 7)
• vilāsa – play, sport, dalliance, charm, grace
  noun (masculine)
  Derived from root √las with prefix vi-.
  Prefix: vi
  Root: las (class 1)
• kānta – charming, lovely, desired, beautiful
  adjective (masculine)
  Past Passive Participle
  Derived from root √kam 'to desire, to love'.
  Root: kam (class 1)

Note: Modifies 'mithunam'.

अन्तःपुरेषु (antaḥpureṣu) - in the inner chambers, in the women's quarters, in the harem

(noun)

Locative, neuter, plural of antaḥpura

antaḥpura - inner apartment, women's apartment, harem

Compound: antaḥ (within) + pura (city/house). Neuter locative plural.

मिथुनम् (mithunam) - a couple, pair

(noun)

Nominative, neuter, singular of mithuna

mithuna - couple, pair, male and female, union

Neuter nominative singular.

Note: Subject of the sentence.

तत् (tat) - that, such

(pronoun)

Nominative, neuter, singular of tad

tad - that, such, referring to something previously mentioned or implied

Demonstrative pronoun, neuter nominative/accusative singular.

Note: Adjective modifying 'mithunam'.

अनुत्तम-श्रि (anuttama-śri) - of unsurpassed splendor, of supreme beauty

(adjective)

Nominative, neuter, singular of anuttama-śri

anuttama-śri - of unsurpassed beauty/splendor

Bahuvrīhi compound, modifying 'mithunam'. Neuter nominative singular.

Compound type : bahuvrīhi (anuttama+śri)

• anuttama – unsurpassed, unequaled, supreme
  adjective (masculine)
  Compound: a- (not) + uttama (best, highest).
• śri – splendor, beauty, prosperity, fortune
  noun (feminine)
  Root: śrī (class 1)

Note: Modifies 'mithunam'.

ब्रह्माण्ड-खण्ड-कुहरेषु (brahmāṇḍa-khaṇḍa-kuhareṣu) - in the hollows of the cosmic egg fragments, in the vast spaces of the universe

(noun)

Locative, neuter, plural of brahmāṇḍa-khaṇḍa-kuhara

brahmāṇḍa-khaṇḍa-kuhara - hollows/cavities of parts of the cosmic egg (universe)

Compound noun. Neuter locative plural.

Compound type : tatpuruṣa (brahmāṇḍa+khaṇḍa+kuhara)

• brahmāṇḍa – cosmic egg, universe
  noun (neuter)
  Compound: Brahman + aṇḍa (egg of Brahmā).
• khaṇḍa – fragment, piece, part
  noun (masculine)
• kuhara – hollow, cavity, cavern, deep recess
  noun (neuter)

Note: Refers to the vastness where the swans are.

इव (iva) - like, as, as if

(indeclinable)

राज-हंस-युग्मम् (rāja-haṁsa-yugmam) - a pair of royal swans

(noun)

Nominative, neuter, singular of rāja-haṃsa-yugma

rāja-haṁsa-yugma - a pair of royal swans

Compound noun, neuter nominative singular.

Compound type : tatpuruṣa (rāja-haṃsa+yugma)

• rāja-haṃsa – royal swan, a kind of goose or swan
  noun (masculine)
  Compound: rājan (king) + haṃsa (swan/goose).
• yugma – pair, couple, brace
  noun (neuter)

Note: Object of comparison.

विकासि-मद-मन्मथ-मन्द-चारि (vikāsi-mada-manmatha-manda-cāri) - moving slowly with burgeoning amorous passion

(adjective)

Nominative, neuter, singular of vikāsi-mada-manmatha-manda-cārin

vikāsi-mada-manmatha-manda-cārin - moving slowly due to developing or burgeoning amorous passion

Bahuvrīhi compound, modifying 'rāja-haṃsa-yugmam'. Neuter nominative singular.

Compound type : bahuvrīhi (vikāsin+mada+manmatha+manda-cārin)

• vikāsin – developing, expanding, burgeoning, blossoming
  adjective (masculine)
  Derived from √kas with prefix vi-.
  Prefix: vi
  Root: kas (class 1)
• mada – intoxication, passion, rut, arrogance
  noun (masculine)
  Derived from root √mad 'to be intoxicated, to rejoice'.
  Root: mad (class 4)
• manmatha – god of love, Kāma, sexual passion
  noun (masculine)
  Literally 'churner of the mind'.
• manda-cārin – moving slowly, slow-moving
  adjective (masculine)
  Compound: manda (slow) + cārin (moving).
  Root: car (class 1)

Note: Modifies 'rāja-haṃsa-yugmam'.